EP3197679B1 - Verfahren zur herstellung eines verbundelements für vakuumdämmelemente - Google Patents

Verfahren zur herstellung eines verbundelements für vakuumdämmelemente Download PDF

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Publication number
EP3197679B1
EP3197679B1 EP15777626.1A EP15777626A EP3197679B1 EP 3197679 B1 EP3197679 B1 EP 3197679B1 EP 15777626 A EP15777626 A EP 15777626A EP 3197679 B1 EP3197679 B1 EP 3197679B1
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EP
European Patent Office
Prior art keywords
core
envelope
composite element
organic material
din
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP15777626.1A
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German (de)
English (en)
French (fr)
Other versions
EP3197679A2 (de
Inventor
Werner Wiegmann
Marc Fricke
Jörg Krogmann
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BASF SE
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BASF SE
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Publication date
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Priority to PL15777626T priority Critical patent/PL3197679T3/pl
Publication of EP3197679A2 publication Critical patent/EP3197679A2/de
Application granted granted Critical
Publication of EP3197679B1 publication Critical patent/EP3197679B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0052—Testing, e.g. testing for the presence of pinholes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0065—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0091—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor in particular atmospheres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2667/00—Use of polyesters or derivatives thereof for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2675/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • B29K2995/0015—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B2037/0092—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding in which absence of adhesives is explicitly presented as an advantage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/08—Closed cell foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/12—Gel
    • B32B2266/126—Aerogel, i.e. a supercritically dried gel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/12—Gel
    • B32B2266/128—Xerogel, i.e. an air dried gel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/04—Time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2607/00—Walls, panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/242—Slab shaped vacuum insulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10—Insulation, e.g. vacuum or aerogel insulation

Definitions

  • the present invention relates to a method for producing a composite element comprising a mono- or multi-part core and a sheath, which are non-positively connected to one another, at least comprising the provision of a one- or multi-part core of an evacuable organic material; at least partially wrapping the core with a wrapper to obtain a composite precursor, wherein the core-contacting surface of the wrapper is made of a thermoplastic material; and treating the composite precursor for a duration that results in at least partial softening of the evacuable organic material and the core-contacting surface of the enclosure.
  • Composite elements of a core and a sheath are known as insulating elements in principle from the prior art.
  • Composite elements such as vacuum insulation panels, are increasingly used for thermal insulation. Amongst others, they are used for appliance housings, containers for refrigerated vehicles, coolers, cold storage cells or district heating pipes. Due to their lower thermal conductivity, they offer advantages over conventional insulation materials. Thus, the energy saving potential compared to closed cell rigid polyurethane foams is usually at a factor of 3 to 7.
  • Such vacuum insulation panels are usually made of a thermally insulating core material, such as pressed or loose fumed silica, precipitated silica, open-cell polyurethane (PUR) foam, open-celled extruded polystyrene foam, Silica gels, glass fibers, plastic fillings, pressed regrind made of rigid polyurethane foam or semi-rigid foam, perlite, which is packed in a gas-tight film, evacuated and sealed airtight.
  • the vacuum is usually less than 100 mbar.
  • a thermal conductivity of the panels of less than 10 mW / m * K can be achieved.
  • DE 100 59 453 a composite element of core material and foil in vacuum insulation panels is described.
  • DE 100 59 453 discloses the bonding of an open cell rigid foam to the foil using an adhesive.
  • a composite element precursor is understood to mean a combination comprising, at least in part, the one-part or multi-part core and the covering, wherein the core and the covering are not permanently connected to one another.
  • a one-part or multi-part core of an evacuatable organic material is first provided, which is then at least partially enveloped by a sheath according to step (ii) to obtain a composite element precursor.
  • a sheath according to step (ii) to obtain a composite element precursor.
  • the surface of the casing that lies against the core consists of a thermoplastic material.
  • the sheath consists entirely of a thermoplastic material.
  • the sheath consists of several layers and only the layer which forms the surface of the sheath which bears against the core consists of a thermoplastic material.
  • the layer which forms the surface of the cladding which bears against the core has a thickness of at least 30 ⁇ m, preferably a thickness of at least 40 ⁇ m, more preferably a thickness of at least 50 ⁇ m.
  • the one- or multi-part core has one or more substantially planar surfaces, so that the enclosure fits tightly against the core.
  • step (ii) The composite element precursor obtained in step (ii) is then treated according to step (iii) such that the core-contacting surface of the enclosure and the evacuable organic material at least partially soften.
  • a connection is formed between the surface of the casing resting against the core and the core material.
  • all treatments are possible which lead to an at least partial softening of the evacuable organic material and the surface of the casing which bears against the core.
  • treatments are suitable which lead to heating and a consequent softening of the evacuatable organic material and the surface of the casing which bears against the core.
  • the surface of the casing that lies against the core consists of a thermoplastic material.
  • the envelope consists of a film, in particular of a film, wherein at least one surface of the film consists of a thermoplastic material.
  • the surface of the envelope which consists of a thermoplastic material, is applied to the core.
  • the core which consists of a thermoplastic material
  • heat sources known to the person skilled in the art can be used, in particular those which lead to uniform heating of the sheath and of the core.
  • the heat can be applied via a heat plate, heat lamp (IR radiator) or ultrasound.
  • the present invention also relates to a method as described above, wherein the treatment comprises a heat treatment by means of heating, infrared or ultrasound.
  • the wrapper fits tightly against the core to ensure a uniform bond between the core and the wrapper.
  • the enclosure is brought by suitable measures in contact with the core, for example by clamping the enclosure or pressing the envelope. Suitable devices for pressing or clamping the envelope are known per se to those skilled in the art. If the core has a substantially flat surface, pressing can be done with a plate, for example.
  • the present invention also relates to a method as described above, wherein the treatment according to step (iii) comprises a heat treatment and the pressing of the coating onto the core.
  • pressure during pressing is thereby matched according to the invention to the material used.
  • a plurality of sides or surfaces of the core to be frictionally connected to the envelope.
  • the core it is possible for the core to be completely covered by the covering and, according to the method according to the invention, to achieve a frictional connection between the core and the covering.
  • the method may comprise further steps.
  • the evacuatable organic material used as the core it is advantageous, for example, if the core material is evacuated in order to achieve improved thermal insulation performance.
  • the method may comprise, for example, evacuation of the evacuatable organic material.
  • the single- or multi-part core is initially substantially completely enclosed by the enclosure, which can then be evacuated.
  • the wrapper is closed on two or more sides and has only one open side, which can then be used to apply the vacuum.
  • the covering can be designed in the form of a double-layered shell closed on three sides, into which the single-part or multi-part core is introduced through the open side.
  • the process of the invention may comprise a step of evacuating and then closing the enclosure.
  • the duration of the treatment according to step (iii) can vary within wide ranges, as long as it is ensured that the evacuable organic material and the surface of the cladding adjacent to the core at least partially soften.
  • a treatment is suitable for a duration in the range from 2 seconds to 30 minutes, preferably in the range from 10 seconds to 10 minutes, more preferably from 30 seconds to 1 minute.
  • the present invention also relates to a method as described above, wherein the treatment is carried out for a duration in the range of 2 seconds to 30 minutes.
  • the composite element obtained according to the invention can have any shape.
  • the shape is essentially determined by the shape of the core.
  • the present invention relates to a method for the production of plate-shaped composite elements.
  • the core is preferably designed plate-shaped.
  • the present invention also relates to a method as described above, wherein the mono- or multi-part core is designed plate-shaped.
  • a molded body used as a core for example, have a thickness in the range of 5 to 40 mm.
  • the core consists in the context of the present invention of an evacuable organic material.
  • materials that are commonly used as thermal barrier materials i. E. Materials that already have a good thermal insulation performance as such. Suitable materials are, for example, organic rigid foams or organic xerogels and organic aerogels.
  • Evacuable organic rigid foams are, for example, those based on polyurethanes or polyisocyanurates. According to the invention, open-cell organic rigid foams, in particular those based on polyurethanes or polyisocyanurates, are preferred as organic rigid foam.
  • organic aerogels and organic xerogels having a substantially closed surface i. a skin.
  • Such materials can be processed well according to the inventive method, so that it comes to a good connection of the sheath with the core.
  • the present invention also relates to a method as described above, wherein the evacuable organic material is selected from the group consisting of organic aerogels, organic xerogels and organic rigid foams. More preferably, the evacuable organic material is selected from the group consisting of organic aerogels, organic xerogels and open-cell polyurethane rigid foams.
  • the evacuable organic material is an organic xerogel.
  • Suitable organic aerogels, organic xerogels and organic rigid foams according to the invention are, in particular, those which can be used as insulating material. Suitable materials are known in principle to the person skilled in the art. Suitable examples are those aerogels which are in WO 2012/059388 A1 and WO 2014/048778 A1 be revealed. Particularly suitable organic xerogels are, for example, in WO 2011/069959 A2 or WO 2012/059388 A1 disclosed. Suitable organic rigid foams are for example in EP 2072548 A2 disclosed.
  • the surface of the casing that lies against the core consists of a thermoplastic material.
  • the envelope is a foil.
  • the envelope has a multi-layered construction, which on the one hand ensures that a frictional connection of the covering with the core material is possible, on the other hand is suitable to enable a permanent vacuum.
  • the sheath it is thus preferable for the sheath to be diffusion-tight.
  • diffusion-proof sheaths can be used, provided that it is ensured that at least one of the surfaces of the sheath consists of a thermoplastic material and this surface is brought into contact with the core.
  • the sheath is not diffusion-tight.
  • a cover is particularly suitable for applications in which no high thermal insulation effect is required or for composite elements which have a sufficient thermal insulation effect through the core, for example, when an airgel is used as the core material.
  • Foils suitable for wrapping are known, for example, by the term "barrier films". Particularly suitable according to the invention films are in particular impermeable to air or gas diffusion.
  • the casing has a gas permeability of less than 1 cm 3 / (m 2 d) and / or a water vapor permeability of less than 1 g / (m 2 d), the volume data being based on 1 bar pressure and room temperature , Unless otherwise stated, the gas permeability is determined according to DIN 53380.
  • the present invention also relates to a method as described above, wherein the envelope is diffusion-tight.
  • the envelope has a gas permeability of less than 1 cm 3 / (m 2 d), determined in accordance with DIN 53380.
  • the envelope has a water vapor permeability of less than 1 g / (m 2 d), determined according to DIN 53380 on.
  • the present invention relates to a method as described above, wherein the envelope has a gas permeability of less than 1 cm 3 / (m 2 d), determined according to DIN 53380, and a water vapor permeability of less than 1 g / (m 2 d), determined according to DIN 53380.
  • the present invention also relates to a method as described above, wherein the envelope has a multilayer construction.
  • the sheath consists of several layers or even layers, of which preferably at least one is diffusion-tight.
  • the wrapper may be, for example, two-ply or three-ply.
  • the envelope can be, for example, a multilayer film.
  • Suitable as wrapping according to the invention for example, metal foils or plastic films.
  • a metal foil is understood as meaning a multilayer foil which has a metal layer and at least one layer of a thermoplastic material.
  • plastic films a wide variety of films can be used, provided that it is ensured that at least one of the surfaces of the film consists of a thermoplastic material and this surface is brought into contact with the core.
  • the present invention accordingly relates to a method for producing a composite element as described above, wherein the envelope comprises a plastic film or a metal foil.
  • the present invention also relates to a method for producing a composite element as described above, wherein the envelope comprises a diffusion-proof plastic film or a metal foil.
  • Suitable materials include polyethylene or polyethylene terephthalate.
  • the envelope has at least one surface which consists of a thermoplastic material, for example polyethylene or polypropylene.
  • a thermoplastic material for example polyethylene or polypropylene.
  • the surface, which consists of a thermoplastic material is applied to the core.
  • the present invention also relates to a method as described above, wherein the core-contacting surface of the envelope is made of a thermoplastic material selected from the group consisting of polyethylene and polypropylene.
  • the surface of the enclosure adjacent the core is made of polyethylene.
  • a preferred coating according to the invention consists, for example, of a plurality of layers, for example of a polyester layer and a polyethylene layer, wherein one or more layers may, for example, also be vapor-deposited with a metallic layer.
  • layers coated with aluminum are suitable.
  • the surface layer is a polyethylene layer.
  • the sheath may also consist of three or more layers, it also being possible for example to combine a plurality of polyester layers, for example a polyester layer which has been vapor-deposited with a metal, and an uncoated polyester layer.
  • polyterephthalate layers are suitable.
  • barrier films such as the film available under the name V08621 from Hanita Coatings RCA Ltd, are suitable as a coating. This consists for example of three layers with aluminum metallized Polyterephthalatfilm and a sealing layer of LLDPE.
  • the sheath may also contain further layers, for example also polyamide layers, ethylene-vinyl alcohol copolymer layers or combinations of both layers.
  • the enclosure is constructed by a combination of individual films. Suitable as wrapping films and processes for their preparation are known in the art.
  • the composite elements obtained according to the invention have a frictional connection between the covering and the core material. It is possible in the context of the present invention that the core is only partially covered by the envelope. In this case, the core is not evacuated and the sheath serves essentially to improve the mechanical stability. However, it is also possible that the core is completely enclosed by the sheath and the composite element is evacuated.
  • the frictional connection of the casing with the core is measured analogously to DIN EN ISO 5271.
  • the surface of the casing which bears against the core is in direct contact with the evacuable organic material and adheres to the evacuatable organic material with a force in the range from 100 to 300 N, determined analogously to DIN EN ISO 5271.
  • the present disclosure also relates to the composite elements as such and the use as thermal insulation material.
  • the present disclosure also relates to a composite member obtainable or obtained by a method as described above.
  • the present invention also relates to a composite element comprising a mono- or multi-part core of an evacuable organic material and at least one closed enclosure enclosing the core, wherein the surface of the enclosure abutting the core is in direct contact with the evacuatable is organic material and adheres to the evacuable organic material with a force in the range of 100 to 300 N, determined analogously to DIN EN ISO 5271, and within the closed enclosure a pressure in the range of 0.01 mbar to 200 mbar.
  • the composite element between the core and the cladding has no further layers, in particular no cover layers or adhesion-promoting layers.
  • the composite elements obtained according to the invention are mechanically stable and have good thermal insulation. Due to the frictional connection of the enclosure with the core, the thermal insulation also remains when it comes to damage to the enclosure. Thus, the composite elements according to the invention are particularly suitable for use as Vakuumisolationspaneel or thermal insulation material.
  • the present disclosure also relates to the use of a composite member obtainable or obtained by a method as described above or a composite member as described above as a vacuum insulation panel.
  • the present disclosure also relates to the use of a composite element obtainable or obtained by a method as described above or a composite element as described above as thermal insulation material.
  • Film V08621 from Hanita Coatings RCA Ltd Three layers of metallized polyester film with a sealing layer of LLDPE
  • step (a) 56 g of compound M50 were dissolved with stirring at 20 ° C in 210 g of acetone in a beaker. 8 g of the compound MDEA, 1 g of dimethylpiperazine and 2 g of water were dissolved in 210 g of acetone in a second beaker. The two solutions from step (a) were mixed. A clear, low-viscosity mixture was obtained. The mixture was allowed to cure at room temperature for 24 hours. The gel was then removed from the beaker and the liquid (acetone) was removed by drying at 20 ° C for 7 days.
  • the resulting xerogel had a compressive strength of 0.202 N / mm 2 at a density of 117 kg / m 3 .
  • the thermal conductivity was 5.5 mW / m * K at an applied pressure when welding the film (Hanita V08621) of 3.6 * 10-4 mbar.
  • a polyol component was prepared and reacted with the isocyanate.
  • the amounts of starting materials used are shown in Table 1.
  • the mixing was carried out in a mixing head.
  • the reaction mixture was discharged into a laboratory mold with the side lengths 418 * 700 * 455 mm and allowed to cure there.
  • Table 1 used amounts of starting materials component parts by weight Polyol A 44,10 Polyol B 44,10 Polyol C 9.15 water 0.55 stabilizer 0.90 Catalyst 1 0.50 Catalyst 2 0.70 cell opener 1.80 cyclopentane 9.50 isocyanate 194 identification number 244
  • the thermal conductivity was 7.7 mW / m * K at an applied pressure when welding the film (Hanita V08621) of 3.5 * 10-4 mbar.
  • step (a) 48 g of compound M200 were dissolved with stirring at 20 ° C in 210 g of acetone in a beaker. 12 g of the compound MDMA, 2 g of Dabco K15 and 4 g of water were dissolved in 210 g of acetone in a second beaker. The two solutions from step (a) were mixed. A clear, low-viscosity mixture was obtained. The mixture was allowed to cure at room temperature for 24 hours. The gel monolith was removed from the beaker and transferred to a 250 ml autoclave and then sealed. The monolith was dried in CO 2 stream for 24 h. The pressure (in the drying system) was between 115 and 120 bar; the temperature was 40 ° C. At the end, the pressure in the system was controlled to reduce to atmospheric pressure within about 45 minutes at a temperature of 40 ° C. The autoclave was opened and the dried monolith was removed.
  • the thermal conductivity of the resulting airgel was 17.5 mW / m * K at 10 ° C.
  • the sealing / bonding of the film (Hanita V08621) with the core was carried out after heat treatment of the film with a press.
  • the pressing parameters were 125 ° C hotplate temperature, 3 minutes pressing time and 2 bar pressing pressure.
  • the sealed samples were stored for 24 h under standard conditions (23 ° C, 50% LF).
  • the composite elements according to the invention have improved stability.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Insulating Bodies (AREA)
  • Inorganic Insulating Materials (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
EP15777626.1A 2014-09-25 2015-09-22 Verfahren zur herstellung eines verbundelements für vakuumdämmelemente Active EP3197679B1 (de)

Priority Applications (1)

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PL15777626T PL3197679T3 (pl) 2014-09-25 2015-09-22 Sposób wytwarzania elementu kompozytowego dla próżniowych elementów izolacyjnych

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CA (1) CA2962110C (ja)
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AU2275599A (en) * 1998-01-19 1999-08-02 Huntsman International Llc Evacuated insulation panel
JP3781598B2 (ja) 1999-12-28 2006-05-31 日清紡績株式会社 真空断熱材の変形方法、真空断熱材の固定方法、冷凍・冷蔵容器及び断熱箱体
DE10059453B4 (de) 2000-11-30 2009-12-31 Puren-Schaumstoff Gmbh Verfahren zur Herstellung eines evakuierten Dämmelements
JP2004353687A (ja) 2003-05-27 2004-12-16 Nisshinbo Ind Inc 断熱パネル及びその製造方法
JP2008045580A (ja) * 2006-08-11 2008-02-28 Hitachi Appliances Inc 真空断熱パネル及びそれを備えた機器
EP2072548B1 (de) 2007-12-19 2017-02-22 Basf Se Verfahren zur Herstellung von Urethangruppen und Isocyanuratgruppen enthaltenden Hartschaumstoffen
JP5770202B2 (ja) 2009-12-11 2015-08-26 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 芳香族アミン系の多孔質材料の改善品
CA2693186A1 (en) * 2010-02-17 2011-08-17 Sealed Air Corporation Alkaline and heat resistant foam composite and floor underlayment
PL2635616T3 (pl) 2010-11-04 2018-01-31 Basf Se Sposób wytwarzania aerożeli lub kserożeli
CN103402754A (zh) * 2011-03-04 2013-11-20 巴斯夫欧洲公司 复合元件
GB2491414B (en) * 2011-06-03 2017-11-01 Acell Ind Ltd Composite Open-Cell Foam Insulating Panels
KR102139671B1 (ko) 2012-09-27 2020-07-30 바스프 에스이 이소시아네이트에 기초한 다공성 재료의 제조 방법
KR101264912B1 (ko) * 2012-10-17 2013-05-16 도영에이치에스 주식회사 고온 성형용 단열 필름, 이를 이용한 진공 단열재 및 진공 단열재의 제조 방법

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WO2016046172A3 (de) 2016-06-02
CA2962110C (en) 2023-03-21
US20170210102A1 (en) 2017-07-27
KR102425703B1 (ko) 2022-07-28
CN115816812A (zh) 2023-03-21
MX2017003924A (es) 2017-06-30
CA2962110A1 (en) 2016-03-31
HUE048046T2 (hu) 2020-05-28
JP2017537273A (ja) 2017-12-14
JP2021020463A (ja) 2021-02-18
LT3197679T (lt) 2020-02-10
KR20170060127A (ko) 2017-05-31
WO2016046172A2 (de) 2016-03-31
JP7009211B2 (ja) 2022-01-25
PL3197679T3 (pl) 2020-07-27
CN107000421A (zh) 2017-08-01
EP3197679A2 (de) 2017-08-02
US10336040B2 (en) 2019-07-02

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